diff options
author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2007-10-02 20:00:58 -0400 |
---|---|---|
committer | James Bottomley <jejb@mulgrave.localdomain> | 2007-10-04 12:08:49 -0400 |
commit | d5e89385e92a77b2764d9eb8284808a7628cb2a8 (patch) | |
tree | 77bac582ebb8005172382e12d6736e434cac1e1a /drivers | |
parent | 804b3f9a16e446cb023417faec58b6506c834052 (diff) |
[SCSI] megaraid_old: fix READ_CAPACITY
The bulk transfer mode got eleminated by
3f6270ef76f2ce5c134615a470685d6c2a66c07e. Unfortunately, this mode is
required for READ_CAPACITY commands on certain cards, so put it back
again. This fixes a boot failure regression reported by Burton
Windle.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/scsi/megaraid.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 3907f6718ede..da56163c30a8 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c | |||
@@ -1753,6 +1753,14 @@ mega_build_sglist(adapter_t *adapter, scb_t *scb, u32 *buf, u32 *len) | |||
1753 | 1753 | ||
1754 | *len = 0; | 1754 | *len = 0; |
1755 | 1755 | ||
1756 | if (scsi_sg_count(cmd) == 1 && !adapter->has_64bit_addr) { | ||
1757 | sg = scsi_sglist(cmd); | ||
1758 | scb->dma_h_bulkdata = sg_dma_address(sg); | ||
1759 | *buf = (u32)scb->dma_h_bulkdata; | ||
1760 | *len = sg_dma_len(sg); | ||
1761 | return 0; | ||
1762 | } | ||
1763 | |||
1756 | scsi_for_each_sg(cmd, sg, sgcnt, idx) { | 1764 | scsi_for_each_sg(cmd, sg, sgcnt, idx) { |
1757 | if (adapter->has_64bit_addr) { | 1765 | if (adapter->has_64bit_addr) { |
1758 | scb->sgl64[idx].address = sg_dma_address(sg); | 1766 | scb->sgl64[idx].address = sg_dma_address(sg); |